fzus61 kbuf 212003
glflo 
expires:202605220300;;417232

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt thu may 21 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a large 30.4 inch area of surface high pressure will 
build across the entire great lakes region through tonight, before 
sliding east off the new england coast late friday. this surface 
high will then strengthen to 30.6 inches as it anchors over atlantic 
canada through sunday. a 29.9 inch low an attendant warm front will 
then slowly approach the lake late friday night and saturday, before 
weakening and sliding eastward sunday. a 30.1 inch high will settle 
across the region monday through tuesday. a cold front associated 
with a 29.8 inch low over new england will drop south across the 
lake on wednesday.


loz062-220300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt thu may 21 2026

.tonight...east winds 10 knots or less. waves 1 foot or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.friday night...east winds 15 to 20 knots. a chance of showers
overnight. waves 2 to 4 feet. 
.saturday...east winds 15 to 25 knots. showers. waves 3 to 6 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.saturday night...east winds 15 to 25 knots. showers. waves 5 to
8 feet. waves occasionally around 10 feet. 
.sunday...southeast winds 15 to 20 knots becoming southwest and
diminishing to less than 10 knots. showers during the day, then a
chance of showers sunday night. waves 3 to 6 feet subsiding to
2 feet or less. 
.monday...light and variable winds. a chance of showers during
the day. waves 1 foot or less. 
.tuesday...west winds less than 10 knots. waves 1 foot or less. 

$$

fzus63 kdtx 211935
glflh 
expires:202605220345;;416455

open lake forecast for lake huron
national weather service detroit/pontiac mi
335 pm edt thu may 21 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...high pressure, 30.40 inches, will continue to slowly
shift from the northern great lakes to the eastern great lakes
through friday. northeast wind veers east and strengthen into
saturday as low pressure tracks in from the mid-mississippi
valley.


lhz362-363-220345-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
335 pm edt thu may 21 2026

.tonight...northeast winds 5 to 10 knots becoming east 10 to
15 knots early in the morning. waves 1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots late in the afternoon. waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. 
.friday night...east winds 15 to 20 knots. a chance of showers
after midnight. waves 4 to 6 feet. waves occasionally around
8 feet. 
.saturday...east winds 20 to 25 knots. gusts to 30 knots in the
late morning and afternoon. showers likely. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.saturday night...east winds 20 to 25 knots with gusts to around
30 knots becoming northeast 10 to 15 knots. showers likely in the
evening. waves 6 to 9 feet. waves occasionally around 12 feet. 
.sunday...east winds 5 to 10 knots veering to the southeast late
in the morning...then becoming light and variable late in the
evening. waves 3 to 5 feet subsiding to 2 feet or less late in
the afternoon. 
.monday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots backing to the southeast .
waves 2 feet or less. 


$$

fzus63 kdtx 211935
glflh 
expires:202605220345;;416456

open lake forecast for lake huron
national weather service detroit/pontiac mi
335 pm edt thu may 21 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...high pressure, 30.40 inches, will continue to slowly
shift from the northern great lakes to the eastern great lakes
through friday. northeast wind veers east and strengthen into
saturday as low pressure tracks in from the mid-mississippi
valley.


lhz462>464-220345-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
335 pm edt thu may 21 2026

.tonight...north winds 15 to 20 knots becoming northeast 10 to
15 knots in the late evening and overnight. waves 3 to 5 feet
subsiding to 1 to 3 feet early in the morning. 
.friday...northeast winds 10 to 15 knots. waves 2 to 4 feet. 
.friday night...northeast winds 10 to 15 knots becoming east
15 to 20 knots in the late evening and overnight. a chance of
showers after midnight. waves 3 to 5 feet. 
.saturday...east winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and afternoon. gusts to 30 knots.
showers likely in the morning...then showers in the afternoon.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.saturday night...east winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. showers in the evening.
waves 4 to 6 feet. 
.sunday...south winds 5 to 10 knots backing to the north late in
the afternoon...then becoming light and variable late in the
evening. waves 2 to 4 feet subsiding to 2 feet or less. waves
occasionally around 8 feet. 
.monday...light and variable winds becoming east 5 to 10 knots
until early evening...then becoming light and variable by
midnight. waves 2 feet or less. 
.tuesday...light and variable winds becoming southeast 5 to
10 knots early in the evening...then becoming light and variable
by midnight. waves 2 feet or less. 


$$